http://www.planetary.org/news/2008/0710_30_Years_into_its_Journey_Voyager_2.html

Voyager 2 joins its sibling in a milestone. Both are still working and both are now past the termination shock, where the solar wind slows down.

http://www.nytimes.com/2009/07/19/opinion/19wolfe.html?_r=1&pagewanted=all

We need to go to Mars. And elsewhere.